package tuxing;

public  class Juxing extends Pingmian{
	double a,b;
	Juxing(double a,double b){
		this.a=a;
		this.b=b;
		
	}
	public double getzc(){
		return 2*(a+b);
	}
	public double getmj(){
		return a*b;
		
	}
	
}